JPS597405Y2 - Structure of jack type fixing device - Google Patents

Description

[Detailed Description of the Invention] This invention relates to the structure of a jack-type fixing device, and particularly to the structure of a jack-type fixing device for a raised material for earth retaining panels used in civil engineering construction work.

BACKGROUND ART In civil engineering construction work, for example, earth retaining devices are used when trench excavation work is performed.

This retaining device is equipped with a pair of earth retaining panels that face each other across a working space, and the opposing distance between the earth retaining panels is maintained by a supporter, and in this state it is plunged into the soil. When carrying out work such as trench excavation with a construction machine, this supporter may get in the way of the work.

Therefore, in such cases, it is common practice to remove this supporter, thereby securing a work space, and to raise the panel separately to maintain the facing distance between the earth retaining panels and to position the earth retaining panels. be.

The panels and guide rails are supported by the lifting material and the lifting beam, which are equipped with a lifting beam and a lifting supporter, and the lifting beam is equipped with a lifting supporter. Attach them and maintain the opposing distance.

Therefore, the tip of the supporter for raising the stomach needs to be fixed to the beam for raising the stomach, but conventionally the beam for raising the stomach and the supporter for raising the stomach are connected together and the body raising material is fixed as a whole. Separate work is required to shape the earthwork and to push up the retaining panel and guide rail using the supporter for raising the earth through the raising beam, which makes the raising work extremely complicated. It has become a thing.

This idea was made in view of the above circumstances, and it is possible to assemble the device and operate the jack at the same time, and in particular, it is possible to perform the work of fixing and shaping the entire raising material, and the work of securing the earth retaining material. The object of the present invention is to provide a jack-type fixing device that can perform jacking operations to push up panels and guide rails at the same time and has a simple structure, especially a jack-type fixing device for raised materials. be.

In response to this purpose, the structure of the jack-type fixing device of this invention is such that the tips of the set of supports, the tip-change fitting that engages with the tips of the supports, and the supporter mounting position of the beam are aligned and positioned. and insert the tip of the bolt into the supporter mounting position of the beam and the tip metal fitting, and screw it into the tip of the supporter, and screw it into the bolt.
the beam and the end fitting are clamped with nuts,
The beam and the end fitting each have a flange portion, the bolt passes through the supporter mounting position of the beam and the end fitting at the respective flange portion, and the nut passes through the supporter mounting position of the beam and the end fitting at the respective flange portion. It is characterized in that the beam and the tip metal fitting are pressed together.

The details of this invention will be explained below with reference to the drawings showing one embodiment.

In FIGS. 1, 2, and 3, 2 is a retaining panel, and the end portion of the retaining panel 2 is engaged with a guide rail 3.

The upper clasp panel 2 and the guide rail 3 are raised up by the raised up material 1.

The belly-raising material 1 is constituted by a belly-raising beam 4, a belly-raising supporter 5, a tip fitting 6, and a fixing jack tool 7.

As shown in FIGS. 4 and 5, the beam 4 for raising the belly is made of H-shaped steel and is attached to the flange portion 1 by sandwiching the web 11 at the supporter mounting position 8.
2 has a plurality of mounting holes 13 formed therethrough.

As shown in FIGS. 6 and 7, the belly-raising support support 5 includes a long cylindrical main body 14 and bases 15 and 15 that close both open ends of the main body 14. .15
is welded and fixed to the main body 14 by a welded portion 16.

A through hole 17 is formed in the center of the cap 15, and a plurality of tapped holes 18 are formed on the outside of the through hole 17.

The spacing between adjacent tapped holes of this screw hole 18 is made to match the spacing between the mounting holes 13 formed in the upright beam.

As shown in FIGS. 8 and 9, the end fitting 6 includes a cylindrical body 19 and a flange portion 2 formed at the tip of the body 19.
1.

The outer shape of the main body 19 is such that it can be inserted into the through hole 17 of the base 15 of the belly-up supporter 5, and a plurality of through holes 22 are formed in the flange portion 21.

The distance between this through hole 22 and other adjacent through holes 22 is as follows:
The spacing is made to match the spacing of the mounting holes 13 formed in the beam 4 for raising the belly.

As shown in FIG. 10, the fixed jack tool 7 includes a bolt 23 and two nuts 24 and 25 screwed onto the bolt 23.

The threaded portion 26 of the bolt 23 is long and has a dimension that allows it to be inserted through the mounting hole 13 of the stomach-raising beam 4 and the through-hole 22 of the tip fitting 6, and the threaded portion 26 of the stomach-raising supporter 5 is long. It has dimensions that allow it to be screwed into the hole 18.

The jack type fixing device of this invention is assembled and structured as follows using the above-mentioned constituent members.

That is, as shown in FIGS. 1, 2, and 3, the belly-raising supporter 5' is positioned opposite the supporter attachment position 8 of the belly-raising beam 4, and the belly-raising supporter 5' The main body 19 of the tip fitting 6 is inserted into and engaged with the base 15 at the tip of the
The flange portion 21 of the tip metal fitting 6 is located opposite to the supporter attachment position 8 of the belly-up beam.

The bolt 23 extends through the mounting hole 13 of the flange portion 12 of the beam 4 for raising the stomach and the through hole 22 of the flange portion 21 of the tip fitting 6, and its tip is connected to the base 15 of the supporter 5 for raising the stomach. It is screwed into the screw 18 of.

Furthermore, two nuts 24 screwed onto the bolt 23.
25 work together to pinch and tighten the flange portion 12 of the belly-raising beam 4 and the flange portion 21 of the tip fitting 6.

In the jack fixing device for the raising material constructed in this manner, the bolt 23 and the nuts h 24, 25 fix the raising beam 4 and the end fitting 6, thereby fixing the raising material 1.
The overall shape and fixation are achieved, and by adjusting the screwing degree of the bolt 23 into the base 15 of the supporter 5 for lifting, a jacking action can be performed.In other words, by tightening the bolt 23, the lifting member The overall fixing and jacking action are performed at the same time.

The assembly of such a jack fixing device for raising the stomach is performed as shown in FIG. 11.

That is, first, the body 19 of the tip fitting 6 is inserted into the base 15 at the tip of the supporter 5 for raising the stomach, then it is aligned with the supporter attachment position 8 of the beam 4 for raising the stomach, and then the nut 24 is screwed. The tip of the bolt 23 is attached to the flange portion 12 of the lifting beam 4.
Then, the flange portion 21 of the end fitting 6 is inserted and protruded, and another nut 25 is screwed onto the protruding tip, so that the tip of the bolt 23 is made to protrude from the nut 25.

This protruding tip is screwed into the screw hole 18 of the base 15 of the belly-up supporter 5.

Next, the tip fitting 6 is returned to abut against the flange portion 12 thereof.

Finally, when the nut 25 is tightened and the nut 24 on the back side is tightened to tighten the tip fitting 6 and the belly-raising beam 4, the belly-raising material 1 is fixed as a whole, and the belly-raising beam 4 and the belly-raising beam 4 are tightened. The jack between the supporter 5 and the supporter 5 will be performed.

As is clear from the above explanation, according to this invention, it is possible to simultaneously perform both operations of fixing and assembling the entire raising material and jacking for raising the panel, and the structure is simple. It is possible to obtain a jack-type fixing device for a raised material without fear of failure.

In addition, although the above embodiment describes an example in which this jack type fixing device is particularly adapted to a jack type fixing device for the raised material of an earth retaining panel, the jack type fixing device of this invention can be used in other ways as well. It can be directly applied to the connecting parts of other devices where it is necessary to simultaneously perform fixing, assembly, and jacking between structural parts.

[Brief explanation of the drawing]

Figure 1 is an explanatory plan view showing the positional relationship between the retaining panel and the raising material, Figure 2 is a front sectional view showing the jack type fixing device, Figure 3 is a sectional view of the section III--III in Figure 2, Figure 4 is a cross-sectional view of the beam for raising the stomach, Figure 5 is a partial vertical cross-sectional view of the beam for raising the stomach, and Figure 6 is a front view showing the supporter for raising the stomach.
Figure 7 is a side view of the belly-up supporter, Figure 8 is a front view of the tip metal fitting, Figure 9 is a side view of the tip metal fitting, Figure 10 is a front view showing the fixing jack tool, and Figure 11 is a front view of the tip metal fitting. It is a top view which shows the assembly process of a jack type fixing device. 1... Ribbon material, 2... Earth retaining panel,
3... Guide rail, 4... Beam for standing up, 5... Supporter for standing up, 6...
Tip metal fitting, 7...Fixed jack tool, 14...
...Body, 15...Base, 17...
Through hole, 18...Screw hole, 22...Through hole, 23...Bolt, 24...Nut, 25...Nut.

Claims (1)

[Scope of utility model registration request] The tip of the rod-shaped supporter, the tip fitting that engages with the tip of the supporter, and the supporter attachment position of the beam are aligned and positioned, and the tip of the bolt is inserted through the supporter attachment position of the beam and the tip fitting. the beam and the end fitting are clamped by at least two nuts screwed onto the tip of the supporter and screwed onto the bolt, the beam and the end fitting each having a flange portion. and the bolts are inserted through the supporter mounting position of the beam and the end fitting at each of the flange portions,
The structure of the jack-type fixing device, wherein the nut clamps the beam and the end fitting at each flange portion.